+1.  Other than Xsun (is it still kicking around?) are there any other 
X11 servers that are *not* part of this upgrade?

    - Garrett

Alan Coopersmith wrote:
> I am sponsoring this case for the X11 Engineering Group.
> It times out Friday, May 22.
>
> This case requests a Minor Release Binding since it once again makes
> incompatible changes to API & ABI for Xorg loadable modules, and removes
> support for several extensions and features, which even though declared
> with Volatile stability, would have to be carefully considered for a
> Micro/Patch release.
>
> -------------------------------------------------------------------------------
>
> This case updates the Xorg server (and the associated X servers based on
> its source base - Xephyr, Xvnc and /usr/X11/bin/Xvfb) in Solaris/OpenSolaris
> from version 1.5 (which was included in X11R7.4, reviewed in PSARC 2009/021)
> to version 1.6 (a standalone release, between X11R7.4 and X11R7.5).
>
> Updated extension support:
> --------------------------
> The server implementation of these extensions has been added or updated
> in this release:
>
>       - X Resize, Rotate and Reflect (RandR) 1.3
>       - X Input Extension 1.5
>       - X Generic Event Extension 1.0
>
> Removed Interfaces
> ------------------
>
> As noted in PSARC 2009/021, this release from the community drops support
> for a number of interfaces that had been deprecated by the community,
> including:
>
> Xservers built on the Xorg 1.6 code base will not support these extensions:
>  - AppGroup
>  - EVI (Extended Visual Information)
>  - MIT-SUNDRY-NONSTANDARD
>  - TOG-CUP (Colormap Utilization Policy)
>  - XTrap
>  - XFree86-Misc
>  - XEvIE (X Event Interception Extension)
>
> Xservers built on the Xorg 1.6 code base will not support these command-line
> flags:
>   -bestRefresh                choose modes with the best refresh rate
>   -co filename                Use rgb color database in filename
>   -showunresolved     (undocumented/unused)
>
> The Xorg 1.6 code base no longer includes the sources for these programs
> which we had previously shipped:
>  - xorgcfg    [Covered by EOF of xorgcfg & xorgconfig: PSARC/2009/148]
>  - xorgconfig [Covered by EOF of xorgcfg & xorgconfig: PSARC/2009/148]
>  - Xprint     [Covered by EOF of Xprint: PSARC/2009/294]
>
> (While Xorg upstream no longer includes the kbd_mode program, we continue
>  to ship that, though are considering the community's position that it's
>  really a kernel utility, not part of the window system, and may move to
>  integrate it to ON in the future.)
>
> The removal of the XFree86-MISC extension also removes these interfaces
> that only affected the use of that extension:
>
>  xorg.conf options:
>
>  - AllowNonLocalModInDev
>    This allows a client to connect from another host and change keyboard
>    and mouse settings in the running server.
>
>  - DisableModInDev
>    This disables the parts of the XFree86-Misc extension that can be used to
>    modify the input device settings dynamically.
>
>  - AllowDeactivateGrabs
>    This option enables the use of the Ctrl+Alt+Keypad-Divide
>    key sequence to deactivate any active keyboard and mouse grabs.
>
>  - AllowClosedownGrabs
>    This option enables the use of the Ctrl+Alt+Keypad-Multiply
>    key sequence to kill clients with an active keyboard or mouse grab as well
>    as killing any application that may have locked the server, normally using
>    the XGrabServer(3) Xlib function.
>
>
>  Xorg server command line options:
>   -allowNonLocalModInDev      same as xorg.conf option above
>   -disableModInDev            same as xorg.conf option above
>
>
>
> Loadable Module Interfaces:
> ---------------------------
>
> This release includes incompatible changes in several of the Xorg loadable
> module API/ABI's.   The version numbers of the ABI's have had their major
> number incremented to reflect this, and modules reporting they require a
> different version number will not be loaded unless the -ignoreABI option is
> used.   (Modules can also check ABI versions themselves, and choose which
> function variant to call or structure variant to access, based on the reported
> versions - this is the option used by nvidia's closed source driver for
> instance.)
>
> ABI versions in this release, compared to the previously shipped Xorg 1.5:
>     ABI Name:               1.3:     1.5:
>      ABI_ANSIC_VERSION              0.4      0.4
>      ABI_VIDEODRV_VERSION     4.1      5.0
>      ABI_XINPUT_VERSION             2.1      4.0
>      ABI_EXTENSION_VERSION    1.1      2.0
>      ABI_FONT_VERSION       0.6      0.6
>
> (Major number increments represent incompatible change, minor number
>  increments represent compatible additions.   ABI numbers may increment
>  multiple times during Xorg server minor version development cycles, to
>  track changes for those following the head of the development stream.)
>
> The changes that resulted in these version number bumps include:
>  - Updates to the new version of the "devPrivates" mechanism used by device
>    drivers, extensions, and other modules to allocate a private field in
>    common data structures such as pixmaps, graphics contexts, windows, and
>    other  X server resources.
>  - Removal of deprecated software rendering libraries such as libcfb
>    (Color Frame Buffer).
>  - Addition of device arguments to input device & event API's in preparation
>    for Multi-Pointer X changes in a future Xorg release, and better support
>    of X Input extension devices in the current release.
>
> All modules built & delivered in the X consolidation have been updated to
> adjust to these changes, including all of the community-developed drivers
> and extensions, and the Sun created/maintained IA (Interactive Priority
> Class) and xtsol (Trusted Extensions) loadable modules.
>
> The recently merged X and SPARC graphics teams are working on updates to
> the drivers delivered through the SPARC graphics consolidation, which are
> planned for delivery in coordination with the Xorg 1.6 delivery.
>
> Nvidia tracks the open source community ABI changes for their Xorg driver
> for all supported platforms (Solaris, Linux & BSD), and the version integrated
> into Nevada and OpenSolaris already supports the Xorg 1.6 release ABI's.
>
> VirtualBox's guest addition drivers will need updates for this, as they
> do for the BSD & Linux distros which have already or are also working on
> adopting Xorg 1.6.  VirtualBox typically delivers these drivers via updates
> to their application - until those updates are delivered, VirtualBox users
> may use the default mouse and Vesa drivers, though with reduced performance
> and functionality compared to VirtualBox guest drivers.
>
> We are not aware of any other consumers of these Volatile ABI's which would
> need to be updated in coordination.
>
> Input drivers removed:
> ----------------------
> The incompatible changes to input driver API & ABI required updates to most
> input drivers.  Since a number of drivers for old input devices were
> unmaintained, and had not had any reports of usage in several years, the
> community chose to discontinue those drivers instead of porting to the
> new API.   (The driver sources remain available upstream should anyone
> with sufficient interest in such hardware wish to complete the port and
> revive it.)
>
> These input drivers are thus no longer provided with Xorg and are removed
> from this release:
>       xf86-input-calcomp                                      
>       xf86-input-digitaledge
>       xf86-input-dmc
>       xf86-input-dynapro
>       xf86-input-jamstudio
>       xf86-input-magellan
>       xf86-input-microtouch
>       xf86-input-palmax
>       xf86-input-spaceorb
>       xf86-input-summa
>       xf86-input-tek4957
>
> Other Added Interfaces:
> -----------------------
>
> The Xorg server now supports these new command line options:
>
> -showopts
>       For each driver module installed, print out the list of options
>       and their argument types.
>
>
>
> -------------------------------------------------------------------------------
>
> Imported Interfaces:
> --------------------
> Xorg server 1.5                               <various>           PSARC 
> 2009/021
> Interfaces listed under
>       "Removed Interfaces"            Obsolete Volatile   PSARC 2009/021
> RandR extension 1.3                   Volatile            PSARC 2009/269
> Xinput extension 1.5                  Committed           PSARC 2009/303
> X Generic Event Extension (XGE) 1.0   Committed           PSARC 2009/293
>
> Exported Interfaces:
> --------------------
> Interfaces listed under "Removed Interfaces"  Removed
> Removed input drivers                         Removed
> New Xorg module ABI's listed above            Volatile
> New Xorg command line options listed above    Volatile
>
>   


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